练习
一、用现在进行时完成下列句子:
1. ______you__________(fly) a kite? Yes,_______.
2. ______you___________(sit) in the boat?
3. ______he_____________(talk) with me?
4. We_______________(play) football now.
5. What_________you__________(do)?
6. I_____________(sing) an English song.
7. What________he____________(mend)?
8. He______________(mend) a car.
9. These boys _________ (play) tennis on the playground.
10. My mother______________ (cook) in the kitchen.
11. We can’t help you,because we ____________ (have )classes.
12. ________ the boy ___________ (write) his homework?
13. Look! These butterflies _________ (fly) in the sky.